Photograph by Randy Olson
See our roundup of the best guided expeditions in Europe for 2011.
A railroad through the southern Caucasus will soon connect Europe and Asia, fueling dreams and discord in the region.
A brilliant blur as it plucks a butterfly from the air, the European bee-eater leads a colorful life on three continents.
2015 Traveler Photo Contest
Explore the top photos, share your favorites, and browse all entries.